Home / 25,949.76-35,810.40-14,772

Finding the Fourth Proportional to 25,949.76, 35,810.40 and 14,772

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Solution

The fourth proportional to 25,949.76, 35,810.40 and 14,772 is: 20,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.76 : 35,810.40 = 14,772 : x
  2. Step 2: Convert to fraction form
    25,949.76/35,810.40 = 14,772/x
  3. Step 3: Cross multiply
    25,949.76x = 35,810.40 × 14,772
  4. Step 4: Simplify right side
    25,949.76x = 528,991,228.80
  5. Step 5: Solve for x
    x = 528,991,228.80/25,949.76
  6. Step 6: Final answer
    x = 20,385.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.